Commercial Grade - AC Decorator Switches - Back and Side Wire. Arrow Hart’s Specification Grade Decorator Switches are designed to provide superior quality, reliability and performance in a variety of commercial environments.DESIGN FEATURES:• Tapered back wire openings handle multiple wire sizes and types for applications up to #10 AWG solid or stranded wire• One-piece wrap around auto-grounding strap for ground integrity in severe conditions• Welded construction provides superior assembly security under heavy use• Stippled line and ground contacts ensure solid contact; ground screw clamp provides secure wiring and reduces installation time• Tarnish resistant with minimal color change over time